<template>
  <div class="todo-footer">
    <label>
      <input @change="changeAllChecked" :checked="isAllChecked" type="checkbox"/>
    </label>
    <span>
      <span>已完成 {{ checkedNum }}</span> / 全部 {{ allNum }}
    </span>
    <button class="btn btn-danger" @click="delTaskListByIsChecked" v-show="checkedNum>0">清除已完成任务</button>
  </div>
</template>

<script>
import {mapMutations, mapGetters} from "vuex";

export default {
  name: "TodoFooter",
  computed: {
    ...mapGetters(['allNum', 'isAllChecked', 'checkedNum'])
  },
  methods: {
    ...mapMutations({
      delTaskListByIsChecked: "DEL_TASK_LIST_BY_IS_CHECKED",
      changeAllChecked: "CHANGE_ALL_CHECKED"
    })
  },
}
</script>

<style scoped>
/*footer*/
.todo-footer {
  height: 40px;
  line-height: 40px;
  padding-left: 6px;
  margin-top: 5px;
}

.todo-footer label {
  display: inline-block;
  margin-right: 20px;
  cursor: pointer;
}

.todo-footer label input {
  position: relative;
  top: -1px;
  vertical-align: middle;
  margin-right: 5px;
}

.todo-footer button {
  float: right;
  margin-top: 5px;
}
</style>